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Interlaken travel guide: Ost rail hub, Lake Brienz boats and Jungfrau valley routes

Interlaken occupies the flat alluvial plain (Bödeli) between turquoise Lake Brienz and deep-blue Lake Thun, acting as the primary rail and boat crossroads for the Jungfrau Region. Understanding which trains and boats depart from Interlaken Ost versus Interlaken West saves crucial morning minutes when catching clear alpine weather windows.

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  1. Interlaken (Approximate city location)

Location coordinates: Interlaken.

Arrival and getting around in Interlaken

Direct SBB InterCity trains connect Zurich Airport, Bern and Basel to both Interlaken West and Interlaken Ost; always check which of the two stations sits closer to your hotel.

  • Interlaken Ost is the sole departure hub for the Berner Oberland-Bahn (BOB) mountain trains to Lauterbrunnen and Grindelwald, the Lake Brienz boats, and the Harderbahn funicular.
  • Overnight guests receive the Interlaken Guest Card for free local bus and train travel between Interlaken West, Interlaken Ost and Iseltwald (PostBus 103), plus discounts on local mountain railways.
  • Check live high-altitude webcams at Interlaken Ost before buying expensive peak tickets to Jungfraujoch, Top of Europe or Grindelwald First, as valley sunshine can coincide with summit cloud.

Sources: Interlaken geographic reference (GeoNames 2660253)

Where to stay in Interlaken

Deciding between the eastern rail hub, the western town centre or an upper valley village depends on how early you want to board mountain trains and boats.

  • Around Interlaken Ost: five-minute walk to the BOB platforms, Lake Brienz boat pier and the Harderbahn station for Harder Kulm.
  • Interlaken West and historic Unterseen: quieter old-town timber houses across the Aare river with easy access to Lake Thun steamers and evening restaurants.
  • Avoid rooms facing the main Bahnhofstrasse through-road if you prefer open-window alpine air at night; choose side streets facing the Höhematte meadow or the Aare bank instead.

Sources: Interlaken geographic reference (GeoNames 2660253)

Two-day route for Interlaken

Split two days between the emerald waters of Lake Brienz and the dramatic glacial valleys rising toward the Eiger, Mönch and Jungfrau.

  • Day 1: ride the steep Harderbahn funicular up to the suspended viewing platform at Harder Kulm overlooking both lakes, then take PostBus 103 or the lake boat to Iseltwald Pier on Lake Brienz before continuing across the water to the cascading Giessbach Falls and its 1879 funicular.
  • Day 2: board an early BOB train at Interlaken Ost into the U-shaped Lauterbrunnen Valley and Staubbach Falls, then connect either up to the high-alpine snowfield at Jungfraujoch, Top of Europe or across to Grindelwald for the Grindelwald First Cliff Walk.
  • Notice that BOB trains from Interlaken Ost split mid-journey at Zweilütschinen: board the front carriages (Sector A) for Lauterbrunnen and the rear carriages (Sector B) for Grindelwald.

Sources: Interlaken geographic reference (GeoNames 2660253)

Seasonal timing and practical rhythm

Alpine valley weather changes quickly, with warm summer breezes at 568 metres in Interlaken and sub-zero glacier winds at 3,454 metres on the Jungfraujoch.

  • June to September opens the full Lake Brienz boat timetable and high mountain trails, while May and October offer quieter viewpoints at Harder Kulm and Lauterbrunnen.
  • Start high-mountain ascents before 08:30 before afternoon cumulus clouds form along the north face of the Alps, and always pack sunglasses and a warm fleece for the peaks.

Sources